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The rare earth ions in LiNbO3 waveguide in determinate lattice bit with certain spectral characteristics, which can increase the emission cross section in the peak wavelength through reducing non-uniform widened, and then it can have a better pumping source and gain efficiency. Yb3+ was mixed as the sensitizing agent in the crystals to improve the up-conversion luminous efficiency of Ho:LiNbO3 crystals, because the absorption peak of Yb3+ and emission line of the commercial InGaAs diode laser have the same wavelength (980 nm), and it has only two energy level and has no up-conversion energy loss, the up-conversion luminous efficiency can be increased hundreds of times , therefore the Yb3+ has become the most effective sensitizing agent in the study of up-conversion. |
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3楼2015-08-04 17:02:43
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The rare earth ions in LiNbO3 waveguide in determinate lattice bit with certain spectral characteristics, which can increase the emission cross section in the peak wavelength through reducing non-uniform widened, and then it can have a better pumping source and gain efficiency. LiNbO3导波管中的稀土离子，通过光谱特性确定晶格，通过减小非均匀加宽，增加峰值波长发射截面，从而获得更好的泵源和更高的效率。 Yb3+ was mixed as the sensitizing agent in the crystals to improve the up-conversion luminous efficiency of Ho:LiNbO3 crystals, because the absorption peak of Yb3+ and emission line of the commercial InGaAs diode laser have the same wavelength (980 nm), and it has only two energy level and has no up-conversion energy loss, the up-conversion luminous efficiency can be increased hundreds of times , therefore the Yb3+ has become the most effective sensitizing agent in the study of up-conversion. Yb3+作为敏化剂，被添加到了晶体中，从而提高Ho:LiNbO3晶体的上转换发光效率。 因为Yb3+吸收峰与商用铟镓砷半导体激光的发射谱线具有相同的波长（980 nm），并且只有两个能级，也不会有上变频能量损失，所以其（ Yb3+）上转换发光效率可以提高几百倍，因此，Yb3+已成为上转化率研究中最有效率的敏化剂。 |
2楼2015-08-04 16:28:39
